標題: Titlebook: Cosmochemistry and the Origin of Life; Proceedings of the N Cyril Ponnamperuma Conference proceedings 1983 D. Reidel Publishing Company, Do [打印本頁] 作者: Confer 時間: 2025-3-21 17:46
書目名稱Cosmochemistry and the Origin of Life影響因子(影響力)
書目名稱Cosmochemistry and the Origin of Life影響因子(影響力)學科排名
書目名稱Cosmochemistry and the Origin of Life網(wǎng)絡公開度
書目名稱Cosmochemistry and the Origin of Life網(wǎng)絡公開度學科排名
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書目名稱Cosmochemistry and the Origin of Life讀者反饋
書目名稱Cosmochemistry and the Origin of Life讀者反饋學科排名
作者: AUGER 時間: 2025-3-21 23:16
The Largest Molecules in Space: Interstellar Dust,. A planet like the earth is continually accreting matter from space and there was a high probability that in the first five hundred million years after its crust formed it passed through several dark clouds and accreted from a hundred million to ten thousand million tonnes of the organic material o作者: Glossy 時間: 2025-3-22 02:49
Inorganic Chemistry of Earliest Sediments: Bioinorganic Chemical Aspects of the Origin and Evolutiothe earth’s history. This lecture, accordingly, attempts to discuss the interactions between the environment (atmosphere/hydrosphere/lithosphere) and the biosphere from the inorganic chemistry in the study of chemical and biological evolution.作者: 要素 時間: 2025-3-22 05:00
Biologically Mediated Isotope Fractionations: Biochemistry, Geochemical Significance and Preservatie reduction antedates the appearance of the oldest presumably bacteriogenic sulfur isotope patterns in rocks between 2.7 and 2.8 billion years old. Hence, biological control of the terrestrial carbon and sulfur cycles has been established very early in the Earth’s history.作者: Capitulate 時間: 2025-3-22 10:21
,Organic Molecules as Chemical Fossils — The Molecular Fossil Record,al membrane lipids which may well prove a useful clue for microbial activity as far back as the Precambrian. There is a need for the recovery and study of unmet amorphosed sediments of all ages, including the Precambrian, so that micropalaeontologists, inorganic and organic geochemists, geologists a作者: 自戀 時間: 2025-3-22 14:45
Simone de Beauvoir on Sexual Difference. A planet like the earth is continually accreting matter from space and there was a high probability that in the first five hundred million years after its crust formed it passed through several dark clouds and accreted from a hundred million to ten thousand million tonnes of the organic material o作者: 自戀 時間: 2025-3-22 17:27
Petteri Mussalo,Virpi Hotti,Hanna Mussalothe earth’s history. This lecture, accordingly, attempts to discuss the interactions between the environment (atmosphere/hydrosphere/lithosphere) and the biosphere from the inorganic chemistry in the study of chemical and biological evolution.作者: Iniquitous 時間: 2025-3-22 23:01
Petteri Mussalo,Virpi Hotti,Hanna Mussaloe reduction antedates the appearance of the oldest presumably bacteriogenic sulfur isotope patterns in rocks between 2.7 and 2.8 billion years old. Hence, biological control of the terrestrial carbon and sulfur cycles has been established very early in the Earth’s history.作者: Ancillary 時間: 2025-3-23 04:25
Marina Weck,Tarja Merist?,Nina Helanderal membrane lipids which may well prove a useful clue for microbial activity as far back as the Precambrian. There is a need for the recovery and study of unmet amorphosed sediments of all ages, including the Precambrian, so that micropalaeontologists, inorganic and organic geochemists, geologists a作者: Conflagration 時間: 2025-3-23 06:45 作者: 貪婪地吃 時間: 2025-3-23 12:56 作者: 易碎 時間: 2025-3-23 16:10
Synthesis of the Chemical Elements,to develop a self-consistent explanation of these processes, extensive information from many diverse fields of science is required. First, one must know the characteristic abundances of the elements and their isotopes in the universe, for it is these values that any successful theory of nucleosynthe作者: 過于平凡 時間: 2025-3-23 18:55
The Largest Molecules in Space: Interstellar Dust,lly contains some 10. atoms of oxygen, carbon and nitrogen in an amorphous molecular mixture. As a result of chemical processing of the particles by ultraviolet photons over times spanning ~ 10.-10. years a substantial portion of each dust grain is converted into complex organic molecules whose maxi作者: arsenal 時間: 2025-3-24 00:51
Comets, Interstellar Molecules, and the Origin of Life,ication for a joint treatment lies in the possibility that comets may consist of a frozen matrix of interstellar volatiles and grains, formed during the early stages of the collapse of the molecular cloud which ultimately produced the Sun and planets. These topics may in turn be related to the origi作者: Override 時間: 2025-3-24 04:08
Impact of Solar System Exploration on Theories of Chemical Evolution and the Origin of Life,ions to Mercury, Venus, the Moon, Mars, Jupiter, Saturn, and Titan are reviewed and implications for prebiotic chemistry are discussed. Among the major conclusions are: prebiotic chemistry is widespread throughout the solar system and universe; chemical evolution and the origin of life are intimatel作者: 北京人起源 時間: 2025-3-24 07:56
,The Chemical Composition and Climatology of the Earth’s Early Atmosphere, climate which is revealed seems to be a direct result of the existence of a global hydrosphere. Analysis of the chemical and physical processes operating within the Earth’s atmosphere--surface environment around the critical period of the origin and earliest evolution of life suggests that the like作者: indubitable 時間: 2025-3-24 14:17
The Dating of the Earliest Sediments on Earth,an sometimes be obtained by direct analysis of the sediments themselves, but more frequently by age measurements on stratigraphically related volcanic rocks, or by interpolation between dated older basement rocks and younger intrusive rocks. Provided that stratigraphical/geochronological correlation作者: 要求比…更好 時間: 2025-3-24 18:36
Inorganic Chemistry of Earliest Sediments: Bioinorganic Chemical Aspects of the Origin and Evolutioygen have been studied intensively and extensively, but the other essential elements have been rather neglected in the studies of chemical and biological evolution. This article attempts to assess the significance of inorganic chemistry in chemical and biological evolutionary processes on the earth.作者: flourish 時間: 2025-3-24 20:21
Biologically Mediated Isotope Fractionations: Biochemistry, Geochemical Significance and Preservatial scale, with the light species (.C, .S) markedly concentrated in biogenic materials. Since the biological effects are basically retained when carbon and sulfur are incorporated in sediments, the respective fractionations are propagated into the rock section of the geochemical cycle, this having co作者: 固定某物 時間: 2025-3-25 02:06
,Organic Molecules as Chemical Fossils — The Molecular Fossil Record, hundreds of millions of years, if they are not exposed to raised temperatures and are stored in the sedimentary column in such a way that they are not subject to oxidation or microbial attack. The signature of environments is written in sediments in the form of specific “biological marker” componen作者: 運動的我 時間: 2025-3-25 06:12 作者: 6Applepolish 時間: 2025-3-25 11:10
978-94-009-7074-8D. Reidel Publishing Company, Dordrecht, Holland 1983作者: Immunization 時間: 2025-3-25 13:38
Nato Science Series C:http://image.papertrans.cn/c/image/238911.jpg作者: 圍巾 時間: 2025-3-25 16:31 作者: ARBOR 時間: 2025-3-25 22:33 作者: Mammal 時間: 2025-3-26 00:56
Simone de Beauvoir on Sexual Differencelly contains some 10. atoms of oxygen, carbon and nitrogen in an amorphous molecular mixture. As a result of chemical processing of the particles by ultraviolet photons over times spanning ~ 10.-10. years a substantial portion of each dust grain is converted into complex organic molecules whose maxi作者: MOAN 時間: 2025-3-26 07:07 作者: Heart-Rate 時間: 2025-3-26 09:20
Simone de Beauvoir on Sexual Differenceions to Mercury, Venus, the Moon, Mars, Jupiter, Saturn, and Titan are reviewed and implications for prebiotic chemistry are discussed. Among the major conclusions are: prebiotic chemistry is widespread throughout the solar system and universe; chemical evolution and the origin of life are intimatel作者: aspect 時間: 2025-3-26 16:34 作者: 商業(yè)上 時間: 2025-3-26 20:43 作者: Agronomy 時間: 2025-3-26 21:33
Petteri Mussalo,Virpi Hotti,Hanna Mussaloygen have been studied intensively and extensively, but the other essential elements have been rather neglected in the studies of chemical and biological evolution. This article attempts to assess the significance of inorganic chemistry in chemical and biological evolutionary processes on the earth.作者: CULP 時間: 2025-3-27 03:39 作者: 奴才 時間: 2025-3-27 07:50
Marina Weck,Tarja Merist?,Nina Helander hundreds of millions of years, if they are not exposed to raised temperatures and are stored in the sedimentary column in such a way that they are not subject to oxidation or microbial attack. The signature of environments is written in sediments in the form of specific “biological marker” componen作者: Exploit 時間: 2025-3-27 12:31
Cosmochemistry and the Origin of Life978-94-009-7072-4Series ISSN 1389-2185 作者: cogent 時間: 2025-3-27 17:39
Shahrokh Nikou,Malin Br?nnback,Gunilla Widénils occur in rocks dated at ? 3300 – 3200 m.y. Evidence relating to possible biogenic markers in rocks reliably dated at 3800 – 3750 m.y. is more difficult to evaluate. Much scope remains for future work.作者: Obvious 時間: 2025-3-27 19:11 作者: gimmick 時間: 2025-3-27 23:38
Conference proceedings 1983of the universe from its beginning to the present time. It is an awesome reflection that the carbon in our bodies is the very carbon which was generated during the birth of a star. There is a perceptible continuum through the billions of years which can be revealed by the study of chemistry. Studies作者: 殘暴 時間: 2025-3-28 05:27
Simone de Beauvoir on Sexual Differenceill be reviewed. These include:.The relationship of recent measurements relevant to light element nucleosynthesis in the big bang and the question of the expanding universe is discussed, as is the possibility of forming super-heavy elements during supernova explosions.作者: 拋媚眼 時間: 2025-3-28 07:52
Synthesis of the Chemical Elements,ill be reviewed. These include:.The relationship of recent measurements relevant to light element nucleosynthesis in the big bang and the question of the expanding universe is discussed, as is the possibility of forming super-heavy elements during supernova explosions.作者: 指令 時間: 2025-3-28 12:52
Cosmochemistry and the Origin of Life,ttle pond” with all sorts of ammonia and phosphoric salts, light, heat, electricity, etc. present, in which he postulated that a protein compound was chemically formed, ready to undergo still more complex changes.作者: conscience 時間: 2025-3-28 14:57 作者: 欲望小妹 時間: 2025-3-28 20:01 作者: GNAT 時間: 2025-3-29 00:23 作者: 有組織 時間: 2025-3-29 04:44 作者: Lime石灰 時間: 2025-3-29 10:07
,The Chemical Composition and Climatology of the Earth’s Early Atmosphere,ting within the Earth’s atmosphere--surface environment around the critical period of the origin and earliest evolution of life suggests that the likely global conditions result in hospitable physical environment whilst also permitting local chemical inhomogeneities. The length of time required for the earliest stages of evolution may be critical.作者: Gesture 時間: 2025-3-29 14:17
Simone de Beauvoir on Sexual Differencettle pond” with all sorts of ammonia and phosphoric salts, light, heat, electricity, etc. present, in which he postulated that a protein compound was chemically formed, ready to undergo still more complex changes.作者: hypotension 時間: 2025-3-29 18:40
Simone de Beauvoir on Sexual Differencen of life, as the distribution of biologically significant molecules in space bears on the likelihood of chemical evolution throughout the universe, and, more specifically, comets might be a source of planetary volatiles, possibly including complex organic molecules.作者: Rodent 時間: 2025-3-29 22:35 作者: Harbor 時間: 2025-3-30 02:55 作者: 贊成你 時間: 2025-3-30 06:23
